How to enable recycle bin or trash in hadoop?
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What happens to a NameNode that has no data?
explain Metadata in Namenode?
How do you define "block" in HDFS?
Should we use RAID in Hadoop or not?
What is Derby database?
What are the different types of Znodes?
Mention what are the data components used by Hadoop?
How is hadoop different from other data processing tools?
Why do we use Hadoop?
Name the various types of lists supported by bootstrap.
What is the difference between rdbms and hadoop?
What do shuffling do?
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